End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
【硬核】23种设计模式娓娓道来,助你优雅的编写出漂亮代码! https://codingnote.cc/p/359534/